题目内容
We know the time by watches and clock. Switzerland can give the best of them in the world. So it is called "Watch kingdom". People in the country recently invented a new type of clock—air clock.
This kind of clock needn't to be wound up(上弦) or put a battery in. Under normal condition, it can keep on going for 600 years. It is sealed(密封) in a box made of a transparent (透明的) plastic film, which expands or contracts according to changing temperatures, the clock goes on and on by itself. The one degree up or down in temperature of Centigrade(摄氏) can keep it running 48 hours.
Now, the Swiss government takes the clock as a national gift to honored guests from other countries.
1. Switzerland is called "Watch kingdom" because .
A. they can make the best watches and clocks in the world
B. there are many watches in the country
C. they can invent new kinds of watches or clocks
D. its government like to give the watches to guests from other countries
2. The new clock________.
A. need to be wound up every day
B. need to be put a battery in
C. need not to be wound up or put a battery in
D. need not to be set in a special place
3. This kind of, new clock has something to do with
A. position B. colour C. size D. temperature
4. Swiss government gives the clock to the guests from other countries because________.
A. it is very new
B. they like to show off(炫耀)
C. it is looked as a national gift
D. it is very expensive
5. The best title for this passage is________.
A. Watch Kingdom B. Switzerland
C. Switzerland and Its Clocks D. Air Clock
1.A 2.C 3.D 4.C 5.D
轻松暑假总复习系列答案